Markup Languages

Tags reference, examples, links to implementations.

Collection of quality HTML5 sites.

A gallery of great HTML5 sites. Sites can be submitted.

Tips and caveats on HTML to XHTML migration for existing browsers.

Main page for World Wide Web Consortium (W3C) XML activity and information.

HTML coding, webpage design, and browser compatibility issues.

Beginning to advanced HTML lessons with a special lesson on HTML 4.0 included. Other programming languages covered are CSS, DHTML, and VRML.

Explains how to add images and links and a few other HTML codes to email. Also explains how Outlook Express renders email HTML in different circumstances.

Basic and intermediate HTML, tables, frames, forms, graphics, CSS, XHTML/XML, image maps, Java applets, and adding guestbooks. Includes reference code lists.

Origins, design, development, architectural forms, standardization.

A collection of help, guidance and tips to assist with web authoring.

Discussion into the three DTDs of XHTML.

Defines basic operators and functions on the datatypes defined in XML Schema Part 2: Datatypes for use in XQuery, XPath, and other related XML standards. (W3C Recommendation 14 December 2010)

A vocabulary used for describing software packages and their dependencies. It is intended to be useful in automated software distribution environments.

Enables Web sites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents.

Official specification document, FAQ, example recipes, and the DTD of the recipe markup language formerly known as Dessert.

Architecture for creating and deploying modular technical information on varied platforms, from printed manuals to online helpsets to hierarchical information for small-screen devices.

Official site of the working group exchange and disseminate all information, examples, tools related to Trade Mark Extensible Markup Language.

Offers comfortable and simplified editing of XML. XML representation as tree, editing using fields, restructuring tools, full text search results, table editing mode, auto completion assistance, export to HTML/CSV.

XSA is for automatically detecting new software releases.

The official site with information and resources for programmers, implementers and others involved in computer globalization work.

Short articles on new projects and current issues with relevant links to the originating sites.

A specification and a set of implementations that allow software running on disparate operating systems, running in different environments to make procedure calls via HTTP and XML.

Links to W3C Recommendations, Proposed Recommendations, Candidate Recommendations, Working Drafts, and Notes. In addition, links to Translations of W3C Documents and Acknowledged Submissions.

Categorized collection of links.

Complete introduction to XML programming. Learn XML, DTD, Schema, XSLT, Soap and other related technologies

A rendering engine that generates presentation GUIs "on-the-fly", using an XML schema based representation of the business model.

XML Schema to C++ compiler for mobile and embedded applications. It provides XML parsing, serialization, XML Schema validation and XML data binding. [Open Source]

Developers of XMetaL XML tools.

XML gateways, firewallsand accelerators for SOA, Web and Cloud.

Short, focused tutorial that concentrates on the needs of the absolute beginner.

Offers html help, tutorials, downloads, and source code.

Covers many basic tags in an intuitive, hands on approach. Examples and a practice HTML tester are included.

Free HTML programming and Web site design tutorial ideal for beginners.

A free, interactive HTML tutorial that lets you dynamically practice coding HTML while you're learning.

A technical description of HTML 4.0's meta element for metadata.

Section describing meta tags. Discusses purposes, typical rendering, basic syntax, possible attributes, notes, and links to further references.

Creates title tags, description and keyword codes. Has a short illustration of where to put them on a page. Includes a meta tag analyzer and multiple search engine submission tool.

Creates tags like keyword, description, title, robot, language, revisit, abstract, author, copyright, distribution, expires. Includes a multiple submit tool.

World Wide Web Consortium validator, maintained at W3C by W3C staff and collaborators. Checks the markup validity of Web documents in HTML, XHTML, SMIL and MathML.

Produces easy to read HTML error messages. Can validate one page or a batch of pages at one time.

Portal to several validators and URL analyzers.

A W3C specification for a minimal subset of Modular XHTML.

Tools for editing, generating and testing XPath 1.0 and XPath 2.0 expressions.

A small footprint XPath syntax decoder, written in C++.

Describes the values and attributes that the Mozilla XPToolkit widgets support, as well as the genealogy and structure of valid XUL documents.

Open source reference implementation at Source Forge. News, CVS access, documentation and bug database available. Source released under Apache Software License.

Short article by Simon St. Laurent, that includes a brief review of the new changes to the XForms model.

This specification defines an Abstract Model of XML Protocol. An abstract model is one way to establish a consistent set of concepts. and is a tool for the description of complex behaviour. (W3C Working Draft 20 February 2003)

Design principles and requirements for the Blueberry Revision of the XML 1.0 Recommendation, solely to address character set issues. (W3C Working Draft 21 September 2001)